ProblemTo provide a ducted fan device and an aircraft capable of improving thrust force and suppressing separation in a lip portion.Solving MeansThe ducted fan device 10A includes, a plurality of fan devices 20, each including a fan 22 configured to rotate about an axis X1 to generate an air flow, and a small duct 23 having a cylindrical shape surrounding the fan 22 about the axis X1 and extending in a direction of the axis X1, and a large duct 30A having a tubular shape surrounding all of the fan devices 20. The plurality of fan devices 20 includes a central fan device 20a, and a plurality of peripheral fan devices 20b disposed at an outer peripheral of the small duct 23 included in the central fan device 20a.


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    Title :

    DUCTED FAN DEVICE AND AIRCRAFT


    Additional title:

    MANTELPROPELLERVORRICHTUNG UND FLUGZEUG
    DISPOSITIF DE SOUFFLANTE ET AÉRONEF


    Contributors:

    Publication date :

    2024-01-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



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